Wireless earphone adapter device

Abstract

The application relates to a wireless earphone adapter device, comprising an adapter component, and the adapter component comprises a control unit, an audio input interface, a wireless communication module, a battery, a power input interface and a power output interface. The audio input interface configured to receive audio signals when an audio equipment is connected. The wireless communication module configured to transmit the audio signals converted into wireless signals to a wireless earphone. The power input interface configured to obtain power from the power adapter and charging the battery. The power output interface configured to transmit a voltage of the power input interface to a charging case of the wireless earphone for power supply. The application can not only realize audio transmission between audio-visual or audio equipment without wireless connection function and the wireless earphone, but also charge the charging case of the wireless earphone.

What is claimed is: 
     
         1 . A wireless earphone adapter device, comprising an adapter component ( 20 ), wherein the adapter component ( 20 ) comprises:
 a control unit;   an audio input interface ( 23 ) electrically connected with the control unit and configured to receive audio signals when an audio equipment is connected;   a wireless communication module electrically connected to the control unit and configured to transmit the audio signals converted into wireless signals to a wireless earphone;   a battery ( 24 ) electrically connected with the control unit;   a power input interface ( 25 ) electrically connected with a power adapter and configured to obtain power from the power adapter and charging the battery ( 24 ); and   a power output interface ( 26 ) electrically connected to the power input interface ( 25 ) and configured to transmit a voltage of the power input interface ( 25 ) to a charging case of the wireless earphone for power supply.   
     
     
         2 . The wireless earphone adapter device according to  claim 1 , wherein the device also comprises a housing body ( 11 ), the adapter component ( 20 ) is arranged in the housing body ( 11 ) and is arranged at the bottom end of the housing body ( 11 ), a receiving space ( 13 ) configured to receive the charging case is formed above the adapter component ( 20 ), and the power output interface ( 26 ) extends partially into the receiving space ( 13 ). 
     
     
         3 . The wireless earphone adapter device according to  claim 2 , wherein the adapter component ( 20 ) comprises a plate body ( 22 ), the control unit, the wireless communication module, the power input interface ( 25 ) and the power output interface ( 26 ) are arranged on the plate body ( 22 ), the power output interface ( 26 ) is erected on a face of the plate body ( 22 ) close to the receiving space ( 13 ), and the battery ( 24 ) is arranged on a side of the plate body ( 22 ) away from the receiving space ( 13 ). 
     
     
         4 . The wireless earphone adapter device according to  claim 2 , wherein the device also comprises a cover ( 12 ), an opening communicating the receiving space ( 13 ) with the outside is formed in the housing body ( 11 ), and the cover ( 12 ) is configured to close the opening. 
     
     
         5 . The wireless earphone adapter device according to  claim 4 , wherein the opening is located at the top end of the housing body ( 11 ), and the cover ( 12 ) is fitted onto a cover body of the charging case. 
     
     
         6 . The wireless earphone adapter device according to  claim 2 , wherein a first relief hole configured for the audio input interface ( 23 ) to penetrate is formed in the housing body ( 11 ), an outer wall surface of the housing body ( 11 ) is recessed inward to form a relief groove ( 111 ) for accommodating the audio input interface ( 23 ), and the relief groove ( 111 ) is communicated with the first relief hole. 
     
     
         7 . The wireless earphone adapter device according to  claim 6 , wherein the adapter component ( 20 ) also comprises a trigger module ( 27 ) electrically connected with the control unit, and the trigger module ( 27 ) is configured to generate a first trigger signal and to transmit the first trigger signal to the control unit when the audio input interface ( 23 ) is accommodated in the relief groove ( 111 ), and to generate a second trigger signal and transmit the second trigger signal to the control unit when the audio input interface ( 23 ) is located outside the relief groove ( 111 );
 the adapter component ( 20 ) also comprises a switch module electrically connected with the control unit and the wireless communication module, and the switch module is configured to control the wireless communication module to switch off when the control unit receives the first trigger signal, and to control the wireless communication module to switch on when the control unit receives the second trigger signal.   
     
     
         8 . The wireless earphone adapter device according to  claim 7 , wherein a first switch hole ( 113 ) is also formed in a wall defining the relief groove ( 111 ), and the trigger module ( 27 ) penetrates into the first switch hole ( 113 ), so as to enable the audio input interface ( 23 ) to be abutted against the trigger module ( 27 ) when the audio input interface ( 23 ) is accommodated in the relief groove ( 111 ). 
     
     
         9 . The wireless earphone adapter device according to  claim 1 , wherein the adapter component ( 20 ) also comprises an adapter housing ( 21 ), the control unit, the wireless communication module and the battery ( 24 ) are arranged in the adapter housing ( 21 ), and the audio input interface ( 23 ), the power input interface ( 25 ) and the power output interface ( 26 ) penetrate through the adapter housing ( 21 ), respectively. 
     
     
         10 . The wireless earphone adapter device according to  claim 1 , wherein the audio input interface ( 23 ) comprises a transmission line ( 231 ) and a transmission connector ( 232 ) arranged on one end of the transmission line ( 231 ), and the other end of the transmission line ( 231 ) is electrically connected with the control unit.